reduce PR checks to Java 11 + UnitJDK8 only (#3598)
reduce PR checks to Java 11 + UnitJDK8 only (#3598)

PurelyApplied/geode,smgoller/geode,PurelyApplied/geode,davebarnes97/geode,masaki-yamakawa/geode,masaki-yamakawa/geode,masaki-yamakawa/geode,smgoller/geode,davinash/geode,jdeppe-pivotal/geode,PurelyApplied/geode,masaki-yamakawa/geode,PurelyApplied/geode,jdeppe-pivotal/geode,davinash/geode,davinash/geode,davebarnes97/geode,masaki-yamakawa/geode,davebarnes97/geode,davinash/geode,masaki-yamakawa/geode,smgoller/geode,davebarnes97/geode,PurelyApplied/geode,jdeppe-pivotal/geode,davebarnes97/geode,smgoller/geode,davinash/geode,PurelyApplied/geode,jdeppe-pivotal/geode,smgoller/geode,smgoller/geode,davinash/geode,jdeppe-pivotal/geode,davebarnes97/geode,jdeppe-pivotal/geode,jdeppe-pivotal/geode,smgoller/geode,davinash/geode,masaki-yamakawa/geode,davebarnes97/geode,PurelyApplied/geode